_____ apples do we need to make apple pies?[ ]
A. What
B. How
C. How many
D. How much
C
下列论述体现诚信的一组是 [ ]
①言必信,行必果
②一言既出、驷马难迫
③退避三舍
④一言为重百金轻
⑤指鹿为马
⑥挂羊头卖狗肉
A.①②④
B.①②⑤
C.②④⑥
D.③⑤⑥
下列哪项是子宫镜检查最常用的膨宫液
A.林格液B.生理盐水C.5%葡萄糖D.10%葡萄糖E.5%糖盐